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Table 4 Subgroup analyses

From: Preoperative serum selenium predicts acute kidney injury after adult cardiac surgery

 

OR (95% CI)*

P for interaction

Age (years)

 

0.763

 <65

0.93 (0.88–0.98)

 

 ≥ 65

0.89 (0.84–0.94)

 

Sex

 

0.305

 Male

0.89 (0.84–0.94)

 

 Female

0.92 (0.87–0.97)

 

Hypertension

 

0.803

 Yes

0.89 (0.84–0.96)

 

 No

0.91 (0.86–0.95)

 

Diabetes

 

0.567

 Yes

0.92 (0.85–1.01)

 

 No

0.90 (0.84–0.94)

 

Chronic heart failure

 

0.937

 Yes

0.90 (0.84–0.96)

 

 No

0.91 (0.86–0.95)

 

Atrial fibrillation

 

0.250

 Yes

0.92 (0.85–1.01)

 

 No

0.90 (0.86–0.94)

 
  1. *Effect values are calculated by treating Se as a continuous variable
  2. All covariates in Table 3 were adjusted in the model when they were not the strata variables